A body, moving at 20ms$^{-1}$ accelerates uniformly at 2$\frac{1}{2}ms^{-2}$ for 4 seconds. It continues the journey at this speed for 8 seconds, before coming to rest seconds at tseconds after with uniform retardation. If the ratio of the acceleration to retardation is 3 : 4 (a( sketch the velocity - times graph of the journey (b) find t (c) find the total distance of the journey

Thursday, 03 April 2025

A body, moving at 20ms $^{- 1}$ accelerates uniformly at 2 $\frac{1}{2} m s^{- 2}$ for 4 ...

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A body, moving at 20ms $^{- 1}$ accelerates uniformly at 2 $\frac{1}{2} m s^{- 2}$ for 4 ...

(a) If $y = (2 x + 3)^{7} + \frac{x + 1}{2 x - 1}$ , find the value of \(\frac{\mathrm d ...